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Bitcoin desktop wallet client Electrum has released a 4.0 beta version, adding several important updates, including support for the Lightning network, nearly a year after the previous version of Electrum, 3.3.8 (last July). In the 4.0 beta version, Electrum mainly added features such as PSBT (partially signed Bitcoin transactions), Lightning Network, watchtowers (暸 watchtowers) and Submarineswaps (subliminal switching). (Github.

Attackers reportedly created their own Electrum servers, which hosted the attacked version of Electrum in order to implement the attack. When the user will be vulnerable.

According to Reddit user u/normal_rc, electrum's wallet was hacked and nearly 250 bitcoins (243.6 BTCs, nearly $1 million) were maliciously stolen, according to coinelegraph. Electrum then confirmed that the attack included creating a fake version of the wallet to trick users into providing password information. Electrum responded on Twitter that "this is a persistent phishing attack on Electrum users" and warned users not to download Electrum from any source other than the official website.

A botnet with more than 140,000 machines has launched a DoS attack on the server of Bitcoin wallet Electrum in an attempt to direct users to software versions designed to steal Bitcoin. Electrum users have been advised to take extra care when using the platform until the issue is resolved. Security researchers familiar with the matter say that if a user installs a fake version of Electrum, all funds contained in the old version will be lost immediately. (TNW)

if (ret ssl_verify_invalid) OPENSSL_PUT_ERROR (SSL, SSL_R_CERTIFICATE_VERIFY_FAILED); ssl_send_alert (ssl, SSL3_AL_FATAL, alert);

Retail giant Wal-Mart has joined MediLedger, a drug-backed blockchain alliance, CoinDesk reported. Earlier, four U.S. pharmaceutical companies, including Pfizer Inc., North America's largest pharmaceutical wholesaler, Macpherson Inc., and the largest U.S. drug wholesaler, U.S.-led Bergen Inc., have announced they are joining a working group on the blockchain project MediLedger.

appdata%-electrum-btcp/wallets.

It's important to transfer the BTC from your original Electrum wallet (to a new Electrum wallet, a new wallet generated by a new monemone, and back it up), which is important to prevent possible BTC loss.

The Electrum team has also been developing other features. Electrum Wallet users can view the full release notes here.

Qtum Electrum Tutorial Qtum Electrum Light Wallet.

Electrum is a popular software wallet that works by connecting to a dedicated server. These servers receive a hash of the Bitcoin address in the wallet and reply with transaction information. Electrum Wallet is fast and has few resources, but by default, it connects to these servers and can easily monitor users. In addition to Electrum, some other software uses public Electrum servers. By 2019, it is a faster and better alternative to BIP37.

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